Questions tagged [gdm]
GNOME Display Manager (GDM) is a program which provides Ubuntu GNOME's graphical login screen.
848
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Upgrade from 20.04 to 22.04 fails, missing gdm-password file
I finally tried to upgrade from Ubuntu 20.04 LTS to 22.04 LTS. Unfortunately, update manager fails to complete the process. When I run the update-manager manually I get the following error message:
...
3
votes
1
answer
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After suspend, on resume, Ubuntu briefly shows content of session before displaying the lock screen [closed]
This happens to me about 10% of the times when I resume my laptop from suspend mode. I feel that this is problematic for privacy because someone physically near my laptop could briefly see what is in ...
3
votes
1
answer
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GNOME Custom Desktop file with icon not showing
I see there are a number of questions regarding icons not showing, going through all of them, I have yet to solve my problem.
First, I created a .desktop file according to this spec:
[Desktop Entry]
...
3
votes
1
answer
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Change login screen styles in Ubuntu 18.10
To install theme for login screen I need to change /usr/share/gnome-shell/theme/ubuntu.css. But it is not there. What is the alternative for that file in Ubuntu 18.10?
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Upgraded Ubuntu 17.10 is not quite the same as the newly installed one
My ubuntu 17.10 is running with gnome-shell on Wayland. It was upgraded from ubuntu 16.04 which had already had gnome-shell installed and ubuntu unity removed.
The gnome-shell desktop now, however, ...
3
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1
answer
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How to set unity as default after installing ubuntu-gnome-desktop in Ubuntu 16.04?
Recently I installed gnome-desktop in my Unity Ubuntu 16.04.Now I want to set my Unity desktop environment as default.
I installed Gnome by using these commands :
sudo apt-get install ubuntu-gnome-...
3
votes
1
answer
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Why hasn't Ubuntu packaged a more recent version of GDM?
I'm not sure if anyone would have the answer to this, but it seems a little odd to me that Ubuntu doesn't package the latest stable version of gdm considering gnome-shell version 3.4 was packaged in ...
3
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1
answer
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Is "gdmflexiserver" part of the default installation?
While playing around, I discovered a folder in my $PATH that I did not recognize:
$ echo $PATH
/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
$ ls /...
3
votes
1
answer
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How does Ubuntu theme GDM?
I’ve checked a few things already.
The file /usr/share/gnome-shell/gnome-shell-theme.gresource is stock GNOME.
The directory /etc/gdm3/ contains no mention of “Yaru” or “theme” except for commented ...
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votes
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answer
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change GNOME 3.36 gdm3 lock screen (screen shield) font colour - what css selector to target in gdm3.css?
I am aware from other posts that you can change e.g. the login screen background by modifying the css selector #lockDialogGroup in gdm3.css that you get when extracting the .gresource binary.
What is ...
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answer
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18.04 `sudo dpkg-reconfigure lightdm` falls back to gdm3 after unity greeter
Situation
Ubuntu 18.04.4 LTS
ubuntu-desktop 1.417.4
ubuntu-unity-desktop 0.1
lightdm 1.26.0-0ubuntu1
Action
Starting off from a GNOME enviroment, I have run sudo dpkg-reconfigure lightdm, chosen ...
3
votes
4
answers
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Input devices stop working after logout or switch-user in ubuntu 18.04 LTS
After clicking logout or switch user, once the system reaches the greeter/login screen, input devices -- keyboard, mouse, touchpad -- stop working, making it impossible to login back or shutdown.
...
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votes
1
answer
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CUDA instructions ask to stop GDM but it doesn't exist
I am trying to install and run some CUDA exemples in Ubuntu 12.04. First of all, I downloaded all .run files from http://developer.nvidia.com/cuda-downloads, then followed the instructions at http://...
3
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1
answer
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GDM killed on startup
In order to fix a sound issue, I'd completely removed all PulseAudio packages, which removed several additional packages which I hadn't kept track of.
I have since added back several packages that ...
3
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1
answer
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How to modify the system default login background image?
Following this, I added a couple of modified background images to the backgrounds collection. Now, I want to select a different background for the login screen. How do I do that?
UPDATE: Just tried ...
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1
answer
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How to stop the login server?
With GDM removed in Oneiric, what command can I replace from the old command?
sudo /etc/init.d/gdm stop
I need to install an nvidia .run file and cannot figure out how to stop the server.
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answers
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How do I choose the default guest session?
My computer has an ATI card, which supports 3D, but doesn't refresh the screen properly.
This is because I use the classic session on 11.04 instead of Unity. That's OK.
But when I start a Guest ...
3
votes
2
answers
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Choosing GDM login window theme via GUI without Ubuntu Tweak
Is there any way to (via the GUI) modify the theme that is used for the GDM login system? I ask because when I installed xubuntu-desktop alongside gnome-desktop the xubuntu-gdm-theme package took ...
3
votes
1
answer
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Screen magnifier wrecks login screen — how to get rid of it?
In the Ubuntu / GNOME login screen, I tried some of the different accessibility settings out of curiosity. Big mistake!
Enabling the "use screen magnifier" (or whatever) option breaks down the view ...
3
votes
1
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gnome-power-manager is running while trying to log in. How to get rid of it? [closed]
After booting into the ubuntu login screen and clicking on my user name and entering the password, I get a dialog stating that gnome-power-manager is still running. The dialog presents 2 buttons, 1 to ...
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1
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gdm.service preventing boot
I'm using Ubuntu Desktop 23.10. I've tried every suggestion in this thread as well as many others online, but I cannot get back into the Ubuntu GUI/GNOME desktop environment. I'm using Ubuntu 23.10 ...
3
votes
1
answer
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gdm doesn't start after failed attempt to install amdgpu drivers until modprobe amdgpu (Ubuntu 22.04)
Short version: After trying (and failing) to install the AMD radeon proprietary drivers, I uninstalled them and removed the packages it installed, but now:
At boot, my graphics card is UNCLAIMED.
GDM ...
3
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1
answer
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Ubuntu 21.10 - GDM problem - login screen
I just upgrade my desktop from Ubuntu 21.04 to 21.10. Everything works fine! I was happy.
But after that, I run a wrong program that will change the background of the graphical login screen to ...
3
votes
1
answer
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Mysterious image on first boot lock screen
I'm using Ubuntu 20.04 and noticed a weird behavior. When I select a wallpaper image, it is selected for both lock screen and background wallpaper, but on every first boot I see a mysterious image. I ...
3
votes
2
answers
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Black screen after login 18.04
After login into my main account, I get a black screen that lasts up to an hour after which the desktop will usually load and works like normal.
zany130@andres-X470-AORUS-ULTRA-GAMING
OS: Ubuntu ...
3
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2
answers
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Ubuntu 18 login loop + startx works
So recently I got stuck in a login loop on Ubuntu 18. I tried some solutions posted here but none of them works for me so far. Here's what I tried by accessing terminal from login screen:
Checking ...
3
votes
1
answer
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Changing the Colour of GNOME (GDM) Login Box on Ubuntu 18.04
I changed the background to an image on my login screen. No problem. However, I want to change the user selection box from orange to something complimentary.
How do I do this?
3
votes
2
answers
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Ubuntu 18.04 - Lock screen issue with GDM3
I have recently upgraded a few of our Ubuntu machines to Ubuntu 18.04. I have managed to configure everything and everything seems to be working fine, apart from the lock screen.
It seems that if ...
3
votes
2
answers
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Fingerprint-GUI login ISSUE with new 18.04 LTS
This exact same question was asked here but the community missread and marked inacurately as a duplicate.
fingerprint-gui and 18.04 login issue
I am also NOT asking HOW TO install. I am asking ...
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votes
3
answers
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Upgrade to Ubuntu 17.10 broke login
I upgraded to Ubuntu 17.10 but login is all messed up. Login is "command prompt", or whatever it's called. I have to type in my login credentials then startx to load desktop session.
I need a ...
3
votes
1
answer
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How to change login screen background Ubuntu Gnome 15.10
I'm using Ubuntu Gnome 15.10 and my gdm version is 3.16.2. I know that there are a few different threads here and articles at other websites about customizing the login screen in Ubuntu older version,...
3
votes
1
answer
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X server started with “-nolisten tcp” in spite of DisallowTCP=false in /etc/gdm/custom.conf
I need to configure a X server in Ubuntu 15.04 gnome which should listening for remote connection on port 6000. I configured my gdm as per askubuntu question: How to make X.org listen to remote ...
3
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GDM and Lightdm don't work after update; KDM is ok
After updating Ubuntu (apt-get update, apt-get upgrade and apt-get dist-upgrade) last Tuesday, GDM stopped working, and the startup hangs on the Ubuntu logo. Lightdm also don't work (same happens). If ...
3
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1
answer
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How do I make GDM use the upstream GNOME theme?
I have installed GNOME 3.4
And according to Gnome 3.4,when i reconfigure my display manager to GDM i should get a login screen like this-
But when I reconfigure my display manager to GDM my screen ...
3
votes
1
answer
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How do I create a .xession / .xinitrc file to launch the default Xubuntu-Session?
I'm trying to use SLiM instead of GDM as a login manager, but I fail miserably when creating the proper .xsession / .xinitrc file needed by SLiM.
How would a proper .xession file look like to start ...
3
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1
answer
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How to change Ubuntu 21.04 Orange color? It persists even after changing GTK theme
I use gnome 3.38.5 on ubuntu 21.04.
My tweaks setting:
basically i wanna change all the orange colour on ubuntu.
for example the border of this research form or those of the monitor preview on the ...
3
votes
1
answer
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What is the difference between GNOME desktop and Ubuntu in SDDM?
I installed Kubuntu on my machine, and then decided to try the regular GNOME desktop.
Thus I installed ubuntu-gnome-desktop and logged in from the welcome screen running SDDM.
This has been a ...
3
votes
2
answers
1k
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GDM cannot show user after upgrade to 20.04
I just upgraded from 18.04 to 20.04 on my workstation. It uses LDAP authentication. I already have an authenticated user. It used to be shown in GDM prior the upgrade. However after the upgrade only ...
3
votes
1
answer
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Persistent remapping of keys with setxkbmap or Xorg configuration
I have been wracking my brain over the past week or so with what should be a straight forward problem. I want to permanently swap the CapsLock and Ctrl keys on my laptop. I emphasise the permanently ...
3
votes
1
answer
365
views
GDM3 is programed to start on VT1. Is there a way to change it
I would like to start GDM3 in VT9 (because it is running in a container. I do not want to have a conflict). Is there a way of doing that.
Modifying and adding to /etc/gdm/custom.conf FirstVT=9 did ...
3
votes
1
answer
3k
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Ubuntu 18.04 autostart script with gdm
How can I start a program/script as root as soon as GDM starts. I need the said program/script to start even before the user has logged in. It needs to start as soon as the GDM login screen shows up.
...
3
votes
1
answer
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Scripting the hiding of username on login screen (18.04)
I have a script to set up an ubuntu workstation with standard settings. One of the things it did on 16.04 was hide the usernames from the login screen.
Moving to 18.04 and I am having some ...
3
votes
4
answers
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Ubuntu 13.10, nVidia Optimus graphics card appears as a secondary display
There are many problems with Optimus, but currently two main problems prevent me from logging in.
First; installing nvidia drivers via official repositories results in a blank screen during login. ...
3
votes
2
answers
1k
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Ubuntu Studio Login Screen Missing?
Just upgraded my machine to Ubuntu Studio (10.10), and am starting to learn my way around.
One thing I noticed off-the-bat is that the GDM login screen promoted on the Studio site is missing (http://...
3
votes
0
answers
605
views
Cannot login second user after "switch user", but can if using Ctrl+Alt+F1
For at least a year or so I have had problems with the "switch user" function on Ubuntu. If I log in (whether as "user1" or "user2") and click "switch user" I ...
3
votes
1
answer
1k
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Ubuntu 20.04.1 LTS - Mouse removed and added intermittently
update: The same problem occurs in 20.10 with kernel 5.8.
I'm having a mouse hiccup that comes and goes where the mouse becomes unresponsive where the device is deleted and added again by UDEV. See ...
3
votes
0
answers
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Ubuntu 18.04 crashes with EXT4-fs error and systemd-journald
Oct 22 Update:
I changed my SSD two weeks ago from LITEON CV3-8D256 to Samsung 970 Evo Plus, and the problem described below hasn't happened since then. I suspect the problem was due to the ...
3
votes
0
answers
468
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How do I make GDM run ~/.xsession? [duplicate]
I need to run my own session script without changing any system files. In older Ubuntu versions I was able to create a ~/.xsession script in my home directory containing all session initialization ...
3
votes
0
answers
2k
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Ubuntu 20.04 XDG_SEAT, XDG_VTNR, XDG_SESSION_ID env variables are not set
I set up and installed Ubuntu 20.04 using debootstrap method
debootstrap --arch=amd64 --variant=buildd focal ./focal_amd64 http://archive.ubuntu.com/ubuntu/
then installed all the rest.
It runs ...
3
votes
0
answers
302
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4 seconds delay when switching to another TTY
After pressing Ctrl+Alt+F? to switch to another TTY (both graphical or not) I get a 3-4 seconds delay where I still see the "old" TTY before the screen switches (which is then almost instant).
In ...